When carolyn drew the diagonals of parallelogram qrst, four triangles were formed as shown.

which triangle(s) could carolyn definitely show to be congruent to triangle qot, when proving that the diagonals of the parallelogram bisect each other?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14

What makes a trapezoid an isosceles trapezoid?